Jun. 2007

Associate Senior Vice President, General Manager, Solution Business Sector,Member of the Board

Dec. 2005

Vice President, General Manager, Solution Business Sector

Apr. 2005

Vice President, General Manager, Mobile Solution Business Sector

Apr. 2004

Vice President, General Manager, Mobile Solutions Product Development Division, Mobile Solution Business Sector

Apr. 2003

Vice President, General Manager, Solution Product Development Division,Solution Business Sector

Jun. 2002

General Manager, Platform Technology Department 1, Solutions Technology Division

Oct. 2000

General Manager, e-Business System Department, IP Business Sector